File: op_not.pass.cpp

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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// bitset<N> operator^(const bitset<N>& lhs, const bitset<N>& rhs); // constexpr since C++23

#include <bitset>
#include <cassert>
#include <cstddef>
#include <vector>

#include "../bitset_test_cases.h"
#include "test_macros.h"

template <std::size_t N>
TEST_CONSTEXPR_CXX23 void test_op_not() {
    std::vector<std::bitset<N> > const cases = get_test_cases<N>();
    for (std::size_t c1 = 0; c1 != cases.size(); ++c1) {
        for (std::size_t c2 = 0; c2 != cases.size(); ++c2) {
            std::bitset<N> v1 = cases[c1];
            std::bitset<N> v2 = cases[c2];
            std::bitset<N> v3 = v1;
            assert((v1 ^ v2) == (v3 ^= v2));
        }
    }
}

TEST_CONSTEXPR_CXX23 bool test() {
  test_op_not<0>();
  test_op_not<1>();
  test_op_not<31>();
  test_op_not<32>();
  test_op_not<33>();
  test_op_not<63>();
  test_op_not<64>();
  test_op_not<65>();

  return true;
}

int main(int, char**) {
  test();
  test_op_not<1000>(); // not in constexpr because of constexpr evaluation step limits
#if TEST_STD_VER > 20
  static_assert(test());
#endif

  return 0;
}